/Engine/Source/Runtime/Core/Public/Containers/UnrealString.h
Converts a float string with the trailing zeros stripped For example - 1.234 will be "1.234" rather than "1.234000"
sanitized string version of float
static [FString](API\Runtime\Core\Containers\FString) SanitizeFloat ( double InFloat, const int32 InMinFractionalDigits )